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249325 (2008 UA273)
Classification: Main-belt Asteroid          SPK-ID: 2249325
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443147334529234 4.8543e-08  
a 2.738632400855578 2.9385e-08 au
q 2.343407395900566 1.3938e-07 au
i 4.056999861152264 6.4285e-06 deg
node 26.87860627787571 7.5005e-05 deg
peri 212.7287209684088 7.8398e-05 deg
M 9.459863393256743 2.5459e-05 deg
tp 2458957.000786558688
(2020-Apr-17.50078656)
0.00011676 TDB
period 1655.385092562218
4.53
2.6643e-05
7.294e-08
d
yr
n .2174720562710814 3.5001e-09 deg/d
Q 3.13385740581059 3.3626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      5971 days (16.35 yr)  
   first obs. used      2003-09-20  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64427  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Earth MOID = 1.33251 au 
 Jupiter MOID = 1.87944 au 
 T_jup = 3.332 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO433634  
diameter diameter 2.502 km 0.837 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249325 (2008 UA273)          Discovered 2008-Oct-28 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UA273 = 2006 GF41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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